<volist name="left_menu" id="val" >
<h3 class="f14"><span class="J_switchs cu on" title="{:L('expand_or_contract')}"></span>{$val.name}</h3>
<ul>
    <!--遍历顶级菜单下的三级菜单-->
	<volist name="val['sub']" id="sval" >
    	<li class="sub_menu">
            <!-- #menuid=834&topid=755&status=2 -->
            <a href="#menuid={$sval.id}&topid={$topid}{$sval.data}"
               data-id="{$sval.id}" hidefocus="true">
                {$sval.name}
            </a>
        </li>
	</volist>
</ul>
</volist>